:root {
  color: #132033;
  background: #eef6fb;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  --seller: #0f766e;
  --buyer: #b45309;
  --risk: #e11d48;
  --ink: #132033;
  --muted: #64748b;
  --panel: rgba(255, 255, 255, 0.94);
  --line: #c8dce8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

button,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 26px;
  background:
    linear-gradient(90deg, rgba(28, 100, 142, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(28, 100, 142, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, #f5fbff 0%, #eaf4fa 100%);
  background-size: 34px 34px;
}

.hero,
.map-panel,
.detail-grid {
  max-width: 1500px;
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: end;
}

.eyebrow {
  margin: 0;
  color: #65727e;
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 10px 0 0;
  color: var(--ink);
  font-size: clamp(2rem, 4.8vw, 4.8rem);
  line-height: 0.96;
}

.hero-copy {
  max-width: 760px;
  margin: 16px 0 0;
  color: #536271;
  font-size: 1rem;
  line-height: 1.65;
}

.route-controls,
.map-panel,
.stage-card,
.info-card,
.incoterm-card {
  border: 1px solid #c7ddea;
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 38px rgba(30, 78, 112, 0.1);
}

.route-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 16px;
}

.route-controls label {
  display: grid;
  gap: 8px;
  color: #65727e;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.route-controls select {
  min-height: 44px;
  border: 1px solid #bdd6e6;
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fafdff;
  outline: none;
}

.map-panel {
  margin-top: 18px;
  padding: 18px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  color: #536271;
  font-size: 0.88rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend i {
  width: 11px;
  height: 11px;
  border-radius: 999px;
}

.legend .seller {
  background: var(--seller);
}

.legend .buyer {
  background: var(--buyer);
}

.legend .risk {
  background: var(--risk);
}

.legend .active {
  border: 2px solid #1d4ed8;
}

.journey-wrap {
  position: relative;
  height: 310px;
  margin-top: 10px;
  overflow-x: auto;
  overflow-y: hidden;
}

.journey-line {
  position: absolute;
  inset: 38px 0 0;
  width: 1200px;
  height: 190px;
}

.journey-line path {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
}

#sellerPath {
  stroke: var(--seller);
  stroke-dasharray: var(--seller-length) 1200;
}

#buyerPath {
  stroke: var(--buyer);
  stroke-dasharray: var(--buyer-length) 1200;
  stroke-dashoffset: calc(-1 * var(--seller-length));
}

.journey-nodes {
  position: relative;
  width: 1200px;
  height: 290px;
}

.node-button {
  position: absolute;
  width: 120px;
  height: 144px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: center;
}

.node-button .icon-shell {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto 7px;
  border: 0;
  border-radius: 999px;
  color: #0f4f76;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.node-button.label-top {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 9px;
  transform: translateY(-106px);
}

.node-button.label-bottom {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 9px;
}

.node-button.label-top .icon-shell,
.node-button.label-bottom .icon-shell {
  margin: 0 auto;
}

.node-button.label-top strong,
.node-button.label-top small,
.node-button.label-bottom strong,
.node-button.label-bottom small {
  position: relative;
  z-index: 2;
  width: fit-content;
  max-width: 112px;
  margin-left: auto;
  margin-right: auto;
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.88);
}

.node-button.label-top .icon-shell {
  order: 3;
}

.node-button.label-top strong {
  order: 2;
}

.node-button.label-top small {
  order: 1;
}

.node-button.label-bottom .icon-shell {
  order: 1;
}

.node-button.label-bottom strong {
  order: 2;
}

.node-button.label-bottom small {
  order: 3;
}

.node-button:hover .icon-shell,
.node-button.active .icon-shell {
  transform: translateY(-3px);
  color: #ffffff;
  background: #1d4ed8;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.24);
}

.node-button.risk-point .icon-shell {
  box-shadow: 0 0 0 5px rgba(225, 29, 72, 0.14);
}

.node-button strong {
  display: block;
  width: 100%;
  min-height: 19px;
  color: var(--ink);
  font-size: 0.84rem;
  line-height: 1.15;
  white-space: nowrap;
}

.node-button small {
  display: block;
  min-height: 13px;
  margin-top: 0;
  color: #65727e;
  font-size: 0.66rem;
  line-height: 1.1;
  text-transform: uppercase;
}

.node-button svg,
.big-icon svg {
  width: 30px;
  height: 30px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.95fr;
  gap: 16px;
  margin-top: 18px;
}

.stage-card,
.info-card,
.incoterm-card {
  padding: 18px;
}

.stage-card-head {
  display: flex;
  gap: 14px;
  align-items: center;
}

.big-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 999px;
  color: #fff;
  background: #1d4ed8;
}

h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 1.24rem;
}

#stageSubtitle,
#incotermSummary,
.watch-text,
.note {
  color: #536271;
  line-height: 1.55;
}

.ownership-boxes,
.incoterm-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.ownership-boxes div,
.incoterm-metrics div {
  padding: 12px;
  border-radius: 8px;
  background: #f2f6f4;
  border: 1px solid transparent;
}

.ownership-boxes .owner-box.seller {
  background: rgba(15, 118, 110, 0.1);
  border-color: rgba(15, 118, 110, 0.24);
}

.ownership-boxes .owner-box.buyer {
  background: rgba(180, 83, 9, 0.1);
  border-color: rgba(180, 83, 9, 0.24);
}

.incoterm-metrics .cost-metric {
  background: rgba(15, 118, 110, 0.1);
  border-color: rgba(15, 118, 110, 0.24);
}

.incoterm-metrics .risk-metric {
  background: rgba(225, 29, 72, 0.1);
  border-color: rgba(225, 29, 72, 0.24);
}

.incoterm-metrics .cost-metric strong {
  color: #0f766e;
}

.incoterm-metrics .risk-metric strong {
  color: #9f1239;
}

.ownership-boxes span,
.incoterm-metrics span {
  display: block;
  color: #687886;
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.ownership-boxes strong,
.incoterm-metrics strong {
  display: block;
  margin-top: 5px;
  text-transform: capitalize;
}

.ownership-boxes strong.seller {
  color: #0f766e;
}

.ownership-boxes strong.buyer {
  color: #b45309;
}

.info-stack {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.info-stack h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 0.95rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.pill-list span {
  padding: 7px 9px;
  border-radius: 999px;
  color: #174263;
  background: #e4f2fa;
  font-size: 0.8rem;
  font-weight: 750;
}

.note {
  padding: 12px;
  border: 1px solid #b7d8ea;
  border-radius: 8px;
  background: #f1f9fd;
}

@media (max-width: 1050px) {
  .hero,
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 14px;
  }

  .legend {
    justify-content: flex-start;
  }

  .ownership-boxes,
  .incoterm-metrics {
    grid-template-columns: 1fr;
  }
}